Skip to main content

Table 1 Relation between the Centor score, use of point-of-care tests, and antibiotic prescribing in 220 young adults with a sore throat, n (%)

From: The use and usefulness of point-of-care tests in patients with pharyngotonsillitis – an observational study in primary health care

  

RADT for GAS

 

CRP

 

Centor score

Number of patients

Patients tested

Positive result

 

Patients tested

Patients with a positive RADT that were tested

Patients with a negative RADT that were tested

Patients with no RADT that were tested

Antibiotic prescribing

0

16/220 (7)

15/16 (94)

3/15 (20)

 

9/16 (56)

1/3 (33)

8/12 (67)

0/1

3/16 (19)

1

50/220 (23)

46/50 (92)

5/46 (11)

 

34/50 (68)

3/5 (60)

29/41 (71)

2/4 (50)

9/50 (18)

2

69/220 (31)

67/69 (97)

18/67 (27)

 

37/69 (54)

8/18 (44)

28/49 (57)

1/2 (50)

25/50 (36)

3

54/220 (25)

52/54 (96)

24/52 (46)

 

24/54 (44)

9/24 (38)

15/28 (54)

0/2

30/54 (56)

4

31/220 (14)

27/31 (87)

18/27 (67)

 

7/31 (23)

5/18 (28)

2/9 (22)

0/4

28/31 (90)

Total

220 (100)

207/220 (94)

68/207 (33)

 

111/220 (50)

26/68 (38)

82/139 (59)

3/13 (23)

95/220 (43)

p

< 0.001a

0.3b

< 0.001

 

< 0.001

0.3

0.02

0.4b

< 0.001

  1. RADT = Rapid antigen detection test; GAS = group A streptococci; CRP = C-reactive protein (point-of-care test).
  2. p-values are for the comparison of Centor score 0–4 and refer to the Cochran-Mantel-Haenszel trend test if not otherwise stated.
  3. a Chi-square test; b Fisher’s exact test.